Tiered lamp base



FIG. 1 is a reduced scale, perspective view of a first embodiment of a tiered lamp base according to my new design, with dashed lines being shown for environmental purposes only;

FIG. 2 is a top plan view of the tiered lamp base;

FIG. 3 is a side elevational view thereof, the other side views being identical;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a reduced scale, perspective view of a second embodiment of a tiered lamp base according to my design, with dashed lines being shown for environmental purposes only;

FIG. 6 is a top plan view of the tiered lamp base;

FIG. 7 is a side elevational view thereof, the other side views being identical; and,

FIG. 8 is a bottom plan view thereof. 

The ornamental design for a tiered lamp base, as shown and described. 